If a man walks at 12 km/h instead of 9 km/h, he travels 15 km more in the same time. Find the actual distance traveled by him. MCQ with Answer and Explanation
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Question #1
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The speed of two luxury sedans are in the ratio 6 : 7. If car A takes 2.1 hours to cover a specific lap distance, find the time taken by car B.
Correct Answer: Option B
Explanation:
Ratio of speeds A:B = 6:7, so ratio of times taken A:B = 7:6. Given 7 parts = 2.1 hours for car A => 1 part = 0.3 hours. Time taken by car B = 6 parts = 6 * 0.3 = 1.8 hours.
Ratio of speeds A:B = 6:7, so ratio of times taken A:B = 7:6. Given 7 parts = 2.1 hours for car A => 1 part = 0.3 hours. Time taken by car B = 6 parts = 6 * 0.3 = 1.8 hours.
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Maths
Time Speed and Distance
Question #2
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A train 180 meters long running at 54 km/h passes a stationary point tracking observer. Find the time parameter required to cross.
Correct Answer: Option D
Explanation:
Speed of train = 54 * (5/18) = 15 m/s. Time taken = 180 / 15 = 12 seconds.
Speed of train = 54 * (5/18) = 15 m/s. Time taken = 180 / 15 = 12 seconds.
This question belongs to:
Maths
Time Speed and Distance
Question #3
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A car covers a distance of 150 km in 2 hours 30 minutes. What should be its speed to cover the same distance in 2 hours?
Correct Answer: Option B
Explanation:
Required speed = Distance / Time = 150 / 2 = 75 km/h.
Required speed = Distance / Time = 150 / 2 = 75 km/h.
This question belongs to:
Maths
Time Speed and Distance
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